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    GlossaryHair Shaft (Hair fiber)

    visible part of hair extending above the skin's surface

    The hair shaft is the visible part of the hair that extends above the skin's surface. It is composed of three layers: the cuticle (outer layer), the cortex (middle layer), and the medulla (inner layer). The hair shaft is primarily made of keratin, a protein that provides strength and resilience. Understanding the structure of the hair shaft is crucial for professionals in dermatology and cosmetology, as it influences hair health, texture, and response to treatments.

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      community Finasteride and minoxidil Dec 1st to may 10th

      in Is this regrowth?  392 upvotes 1 year ago
      The conversation is about someone's progress with hair regrowth using finasteride and minoxidil from December 1st to May 10th. They also mention using a topical treatment with a concentration of 0.004 per spray.

      community Finasteride not working isnt it MPB?

      in Finasteride/Dutasteride  5 upvotes 1 year ago
      A user is concerned that finasteride isn't working for their hair loss, questioning if it's due to male pattern baldness or low iron levels. They are advised to take finasteride daily and get blood work done.

      community Is my hair improving after seven months on topical treatment?

      in Is this regrowth?  326 upvotes 2 years ago
      A user has been using Hims topical finasteride and minoxidil for seven months, along with micro needling, and is asking if there's an improvement in their hairline. Responses vary, with some seeing progress and others criticizing the photo quality for comparison, but no side effects were reported.

      community Hairfibers: Toppik vs Boldify vs Surethik?

      in Product  8 upvotes 2 years ago
      User discovered hair fibers, tried Toppik but concerned about ingredients. Considering Boldify (cotton-based, cheaper) and Surethik (keratin-based) as better options.